MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body, though truncated, includes a lure related to downloading an MP3, further supporting a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://synerhu.ru/uplcv?utm_term=till+the+end+of+time+2pac+mp3+download PDF link annotation
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926a873d3f7---9899439993.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/domavubozo.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/5mg1e5n8a2odci9kgip5mpl1r3/90608746342.pdfIn PDF document text
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/1d67ad1700092f3871eaf1f29e87b037/lakasineg.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080af90623c6---62994642631.pdfIn PDF document text
- http://sowitech.vn/upload/files/lijag.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8e7ba1325---64536690480.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b74cbf0900---kujimodazuv.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c89511aa1---78847539755.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/104c343312e91d64da2e6303d8e32639/76825272359.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/noluger.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file/%5C/2021051712131415.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf33c24c634---dusipizewasujefus.pdfIn PDF document text
- http://www.asslar.de/downloads/20841579361.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/2raoan66s23i1dculp0o5l0h1i/vuvuletamukosaxu.pdfIn PDF document text
- https://stijsr.com/userfiles/file/ropijumi.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b2682371c89---17576852229.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD585 | 5456 bytes |
SHA-256: 7fe719be3af3414285f323ff0224b4b3e5ef19fe5b2b038c3a4bb9d0201ab843 |
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font_01_sfnt_off0000e808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE808 | 11276 bytes |
SHA-256: ea5ab5bb80065cac1273860facd84ea89920649afb3b984c2a656c528deede03 |
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